System for moving object detection in moving picture

Details System for moving object detection in moving picture System for moving object detection in moving picture

1997-08-11

2000-02-15

Lee, Richard

Television

Bandwidth reduction system

Data rate reduction

348420, 348699, H04N 732

Patent

active

060258799

ABSTRACT:
A system for detecting a moving object in a moving picture, which can detect a moving object by block directly with a highly-accurate, simple process without completely decoding the compressed moving picture data. The picture block coding mode, the motion compensation mode and the motion vector information (information b) decoded in a variable-length decoder 1 and the texture information d detected by a texture information detector 7 are applied to a moving object detection processor 8. The moving object detection processor 8 judges whether the particular block is a moving object or not using the information b or the combined information b and the texture information d. This judgement is effected by a motion vector, a spatial similarity judgement and a temporal similarity judgement. The moving object detection information e resulting from the judgement is sent to a picture image processor 5 for processing the picture information f. A picture display unit 10 can display a non-moving object and a moving object with different brightness and in different colors.

REFERENCES:
patent: 5453799 (1995-09-01), Yang et al.
patent: 5668600 (1997-09-01), Lee
patent: 5748789 (1998-05-01), Lee et al.
patent: 5757668 (1998-05-01), Zhu
patent: 5903313 (1999-05-01), Tucker et al.
patent: 5926231 (1999-07-01), Jung
patent: 5929915 (1999-07-01), Cho
patent: 5929917 (1999-07-01), Kim
"Extraction of Dynamic Area Using MPEG Data", Institutes of Electronics, Information and Communication Engineers of Japan, Technical report of IEICE (IE-96-25), Jun. 21, 1996 (Abstract only translation).

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